Rao, C. , Gowthami., G. , Harsha., H. , Rajkumar., R. , Murthy, M. , Rao, K. , K.AnithaSheela, K. (2010). 'Noise Estimation for Speech Enhancement in Non-Stationary Environments-A New Method'. World Academy of Science, Engineering and Technology, Open Science Index 46, International Journal of Electronics and Communication Engineering, 4(10), 1526 - 1529.